stripslash.c

/* stripslash.c -- remove redundant trailing slashes from a file name Copyright (C) 1990, 2001, 2003-2006 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#include <config.h>#include "dirname.h"/* Remove trailing slashes from FILE. Return true if a trailing slash was removed. This is useful when using file name completion from a shell that adds a "/" after directory names (such as tcsh and bash), because on symlinks to directories, several system calls have different semantics according to whether a trailing slash is present. */bool
strip_trailing_slashes (char *file)
{
char *base = last_component (file);
char *base_lim;
bool had_slash;
/* last_component returns "" for file system roots, but we need to turn `///' into `/'. */if (! *base)
base = file;
base_lim = base + base_len (base);
had_slash = (*base_lim != '\0');
*base_lim = '\0';
return had_slash;
}